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Re: DTD and Illegal Construct

Jim Shain wrote -

> Honestly, I'm not playing stump the experts, but what about the instance?
> ((A, B, D?) | (A?, B, C?, D?, E))
> In this instance 'C' can only be present if 'E' is present.
> -Jim
But it's ambiguous, because if C is absent, the parser can't know whether E is
allowed or not.  Ambiguous content models aren't allowed in xml.


Tom P